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1 // RUN: %clang_cc1 -fsyntax-only -verify %s
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2
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3 @interface Root @end
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4
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5 @interface SuperClass : Root
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6 {
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7 int iSuper; // expected-note {{previous declaration is here}}
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8 }
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9 @end
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10
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11 @interface SubClass : SuperClass {
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12 int ivar; // expected-error {{duplicate member 'ivar'}}
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13 int another_ivar; // expected-error {{duplicate member 'another_ivar'}}
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14 int iSuper; // expected-error {{duplicate member 'iSuper'}}
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15 }
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16 @end
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17
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18 @interface SuperClass () {
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19 int ivar; // expected-note {{previous declaration is here}}
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20 }
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21 @end
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22
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23 @interface Root () {
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24 int another_ivar; // expected-note {{previous declaration is here}}
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25 }
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26 @end
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27
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28 @implementation SubClass
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29 -(int) method {
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30 return self->ivar; // would be ambiguous if the duplicate ivar were allowed
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31 }
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32 @end
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